环境污染值PH10 | |||||||||
| 广州 | 深圳 | 珠海 | 佛山 | 惠州 | 肇庆 | 江门 | 东莞 | 中山 |
2015 | 51.8 | 41 | 46 | 43 | 55.5 | 44 | 55.3 | 52 | 47 |
2016 | 49.8 | 39 | 40 | 52.5 | 42 | 57 | 53 | 51 | 42 |
2017 | 52.4 | 41 | 48 | 54.5 | 46 | 60 | 58.3 | 53 | 44 |
2018 | 51.2 | 43 | 45 | 49.5 | 42.7 | 56 | 53.3 | 52 | 43 |
2019 | 45.2 | 42 | 43 | 47 | 38 | 49 | 50 | 48 | 43 |
2020 | 38.2 | 35 | 32 | 39.5 | 33.3 | 38 | 42.7 | 36 | 35 |
2021 | 28.6 | 20 | 21 | 32.5 | 15 | 33 | 22 | 29 | 24 |